This 8 inch Vernier caliper is excellent for providing accurate and precise measurements. It features a dual scale metric and imperial measurements with accuracy up to 0.05 mm and 1/128 inch. It is perfect for measuring the length, inner diameter, and outer diameter of any objects up to 8 inches. This caliper is made from durable carbon steel with long-lasting, laser engraved graduations. Scientific conversions are conveniently provided on the back. The jaws glide smoothly and a locking screw can be used for obtaining measurements. Case is included.